Todd Nepola wants the world to know he is not a man in financial distress. Consider Exhibit A: the $5.25 million villa he just purchased at the Ritz-Carlton Residences Miami Beach — for his ex-wife, Alexia Nepola.  The property, a 4,185-square-foot, three-bedroom residence designed by Pritzker Prize-winning architect Piero Lissoni, sits on the development’s largest interior villa lot. It comes loaded with floor-to-ceiling glass, a Boffi kitchen outfitted with Gaggenau appliances, Crestron smart-